Used as a chiral building block in the synthesis of pharmaceutical intermediates, particularly in the production of beta-amino acids and other bioactive molecules. Its enantiomerically pure structure makes it valuable in asymmetric synthesis, where stereochemistry is critical for drug efficacy. Commonly employed in the development of protease inhibitors and antiviral agents. The hydrochloride salt form enhances stability and solubility, facilitating handling in industrial processes. Also utilized in peptide mimetics to improve metabolic stability and binding affinity.